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Sharks use the Earth’s magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world’s oceans, scientists have found. Researchers said their marine laboratory experiments with a small species of shark confirmed long-held speculation that sharks use magnetic fields as aids to navigation — behaviour observed in other marine animals such as sea turtles. Their study, published in the journal Current Biology, also shed light on why sharks are able to traverse seas and find their way back to feed, breed and give birth, one of the study authors sa...

Sharks use Earth's magnetic field as a GPS, scientists say It's a behavior observed in other marine animals such as sea turtles. It also sheds light on why sharks are able to traverse seas and find their way back to feed. Author: Associated Press Updated: 8:19 AM EDT May 16, 2021 Sharks use the Earth's magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world's oceans, scientists have found. Researchers said their marine laboratory experiments with a small species of shark confirm long-held speculation that sha...

Sharks use the Earth's magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world's oceans, scientists have found. Researchers said their marine laboratory experiments with a small species of...

Sharks use the Earth's magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world's oceans, scientists have found. Researchers said their marine laboratory experiments with a small species of shark confirm long-held speculation that sharks use magnetic fields as aids to navigation — behavior observed in other marine animals such as sea turtles. “We know that sharks can respond to magnetic fields," Keller said.

The question about how sharks perform long-distance migrations has intrigued researchers for years.